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Conference abstract2005

Climate changes in South of Sweden and implications on growing of cereals

Bertholdsson, Nils-Ove


At Svalöf Weibull AB, former The Swedish Seed Association, meteorological data have been collected since 1920. During these 100 years the yearly mean temperature has increased from 7 °C to 8 °C. The mean from year to year varies a lot but if simple moving averages are used there is a clear increase in temperature. There is also a periodic fluctuation. All temperature increase can be derived from a temperature increase during the winter and spring months. There are no changes during the summer and there is a small but clear decreasing trend in autumn. The warmer winter month’s coincides with more wind from the west. There is also a small but clear decreasing trend in precipitation, mainly because of less precipitation the last 15 years during the winter and spring months. The precipitation in the summer and autumn show a slightly increasing trend, although not so clear. From an agricultural point of view most climate changes so far are positive. In winter wheat for example, about 11% of the yield increase during the period 1965 - 1995 can by simple regression analysis be attributed to the warmer winters. Lower precipitation and warmer climate in spring, seems also to affect yield of spring crops positively through an earlier sowing


Climate changes; south Sweden

Published in


of NJF seminar 380; Adaptation of crops and cropping systems to climate change

    UKÄ Subject classification

    Agricultural Science

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